C0555: Left Front Wheel Speed Sensor A Incorrect Component Installed
Standardized SAE J2012 code · C05xx codes
Safety-critical system. Faults in airbags, brakes, steering or high-voltage components can put people at risk. Follow the manufacturer's service information and safety procedures, or have the vehicle checked by a qualified workshop.
What does C0555 mean?
Supply or signal voltage of the lateral accelerometer is out of the expected range.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Common causes
- High Sensor supply open
- Medium Sensor internal failure
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of C0555 on the same make and model first.
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